Applied Statistics Using SPSS, STATISTICA, MATLAB and R by Joaquim P. Marques de Sá

By Joaquim P. Marques de Sá

This sensible reference offers a finished advent and instructional at the major statistical research issues, demonstrating their resolution with the commonest software program package deal. meant for somebody desiring to use statistical research to a wide number of technological know-how and enigineering difficulties, the publication explains and indicates the right way to use SPSS, MATLAB, STATISTICA and R for research corresponding to info description, statistical inference, class and regression, issue research, survival facts and directional records. It concisely explains key recommendations and techniques, illustrated by way of sensible examples utilizing genuine facts, and encompasses a CD-ROM with software program instruments and information units. Readers examine which software program instruments to use and achieve insights into the comparative services of the first software program programs. significant advancements of the second one version are the inclusion of the R language, a brand new part on bootstrap estimation tools and a stronger therapy of tree classifiers in addition to additional examples and exercises.

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This can be done by double clicking the mouse left button over the respective column heading. 4 is then displayed. Note the possibility of specifying a variable label (describing the variable meaning) or a formula (this last possibility will be used later). Missing data (MD) codes and text labels assigned to variable values can also be specified. xls dataset. 1 is evident. After building the data spreadsheet, it is advisable to save it using the Save As of the File menu. sta STATISTICA file that can be easily opened at another session with the Open option of File.

In the above example the 21st element of the PMax variable is the smallest one, followed by the 18th element and so on up to the 1st element which is the largest. 2 80 72 60 57 49 45 24 24 18 16 14 14 41 39 37 Presenting the Data A general overview of the data in terms of the frequencies with which a certain interval of values occurs, both in tabular and in graphical form, is usually advisable as a preliminary step before proceeding to the computation of specific statistics and performing statistical analysis.

Selection conditions, macros, user options, etc. Several operations with the data, namely sorting, recalculation and recoding of data. Besides the menu options there are alternative ways to perform a given operation using icons and key combinations (using underlined characters). 9. sta). , and R (R: A Language and Environment for Statistical Computing) from the R Development Core Team (R Foundation for Statistical Computing, Vienna, Austria, ISBN 3900051-07-0), a free software product for statistical computing, are popular examples of “open” products.

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